Instead of using unauthorized activators, you can use official methods to manage your QuickBooks 2021 license:
If you suspect you’ve run a QuickBooks activator on your system: intuit quickbooks activator 06 build 70 2021
: Aims to provide a one-time activation that persists without needing to reconnect to Intuit’s servers. Workstation Synchronization Instead of using unauthorized activators, you can use